2398145745 has 8 divisors (see below), whose sum is σ = 3837033216. Its totient is φ = 1279011056.

The previous prime is 2398145741. The next prime is 2398145747. The reversal of 2398145745 is 5475418932.

2398145745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2398145745 - 2² = 2398145741 is a prime.

It is a super-2 number, since 2×2398145745² = 11502206028523210050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2398145694 and 2398145703.

It is not an unprimeable number, because it can be changed into a prime (2398145741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79938177 + ... + 79938206.

It is an arithmetic number, because the mean of its divisors is an integer number (479629152).

Almost surely, 2^2398145745 is an apocalyptic number.

It is an amenable number.

2398145745 is a deficient number, since it is larger than the sum of its proper divisors (1438887471).

2398145745 is a wasteful number, since it uses less digits than its factorization.

2398145745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159876391.

The product of its digits is 1209600, while the sum is 48.

The square root of 2398145745 is about 48970.8662880288. The cubic root of 2398145745 is about 1338.5210059391.

The spelling of 2398145745 in words is "two billion, three hundred ninety-eight million, one hundred forty-five thousand, seven hundred forty-five".